Arjun popped up in my memory bank and am curious to know if he is still OK. He was heavily active here for over 6 years. I even bought my first REAL Dahua camera from him here on the forums about 4 years ago. This may be one of his kids.
That’s a 1/1.8 sensor. I don’t know how far you can see but the 45x on 1/1.2 sensor seems like the way to go. I’ve seen gofund/ help me whatever’s started for less important reasons than wanting a new camera. I mean that’s not just any camera